Microsoft Internet Explorer 7 "toolbar greyed" Questions

toolbar, which was at the bottom) no longer functions, even with everything appropriately set up in the internet options (tabbed browsing enabled). Even the "New Tab Ctrl T" under "File" is greyed out

...click on the grey area just under the window's title bar and make sure Menu Bar and Navigation Toolbar are

All Firefox menus have disappeared in a Ubuntu application The top of the Firefox window lacks any menu bars, just a grey bar. Right clicking does not bring up ny usable options. Try pressing Alt+V, ...